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Added new patterns

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This commit is contained in:
ceriel 1990-06-14 16:45:33 +00:00
parent 45783a1e73
commit ddd97f9328
1 changed files with 21 additions and 3 deletions
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24
mach/i86/ncg/table
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@ -194,7 +194,8 @@ and anyreg:rw:cc, rmorconst:ro.
cbw kills ah cost(1,2).
cmp rm:ro, regorconst:ro kills :cc.
cmp anyreg:ro, rmorconst:ro kills :cc.
cmpb rm1:rw, const:ro kills :cc.
cmpb rm1:ro, REG1+const:ro kills :cc.
cmpb REG1:ro, rm1:ro kills :cc.
cwd kills dx cost(1,5).
dec rm:rw:cc cost(1,2).
div rm:ro kills:cc ax dx cost(1,150).
@ -2732,11 +2733,28 @@ with rm regorconst STACK
pat blt call bxx("jl","jg")
pat ble call bxx("jle","jge")
pat beq call bxx("je","je")
pat bne call bxx("jne","jne")
pat bge call bxx("jge","jle")
pat bgt call bxx("jg","jl")
proc bex example beq
with regorconst rm STACK
gen cmp %2,%1
jxx[1] {label,$1}
with rm regorconst STACK
gen cmp %1,%2
jxx[2] {label,$1}
with exact rm1 REG1
kills ALL
gen cmpb %1,%2
jxx[2] {label,$1}
with exact REG1 rm1
kills ALL
gen cmpb %2,%1
jxx[1] {label,$1}
pat beq call bex("je","je")
pat bne call bex("jne","jne")
proc zxx example zlt
with rm STACK
gen test %1